无线电弹道追踪

Belly up, the fish is back lit and easier for him to see. Get it, get it, get it... Over there, go get it, go go... Oh, he missed it. It's very behind you. We can get it. Little Samu is just starting to use his sonar, but perfecting it will take some

发表于:2018-12-03 / 阅读(108) / 评论(0) 分类 自然百科2013年

不知道大家听说过电鱼没有...它们往往生活在浑浊的水域当中,依靠发射电流探测出障碍物以及猎物的位置...原理和蝙蝠发出的超声波差不多...在今天的大千世界中,我们就来关注下这类不同

发表于:2018-12-07 / 阅读(186) / 评论(0) 分类 大千世界

听广告学英语:Welcome Electrical Machines惠康电器 原文:Welcome presents you a state-of-the-art offer with a Tamashi home entertainment range. Designed in Europe with advanced Japanese technology, Tamashi combines good-look with technical know how. C

发表于:2018-12-07 / 阅读(224) / 评论(0) 分类 听广告学英语

[00:05.20]Lesson 41 1 Dialogue [00:11.44]Jackie and Yang Pei are both students in Australia. [00:16.90]They talking about the coming weekend. [00:21.26]What are you doing on Saturday evening? [00:25.21]I'm going to hear John Denver. [00:29.05]Who's h

发表于:2018-12-13 / 阅读(183) / 评论(0) 分类 高中英语人教版高一

凝聚摇滚真情与独到观点的先锋劲旅U2 称霸欧洲15国冠军精选大碟中直击英国金榜TOP 5 意境凄美耐人寻味的摇滚精品 歌手:U2 U2 - Electrical Storm The sea is swells like a sore head and the night it is aching Two lovers lie with no sheets on their bed and the

发表于:2018-12-14 / 阅读(173) / 评论(0) 分类 史上最强的十七首英文冠军单曲

AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- a tribute to Allen Walker Read, who died this month at the age of 96. Mr. Read devoted his life to a kind of linguistic detective work on the origins of American speech. RS: As a

发表于:2018-12-19 / 阅读(93) / 评论(0) 分类 英语单词大师-Word Master

271. It is too unexpected W: Their team shot one goal at the last minute. M: It is too unexpected! W: They have a good team spirits. M: Darling, why is it you? W: Did I give you a big surprise? M: It's too unexpected! How can we meet here! 272. Price

发表于:2018-12-25 / 阅读(140) / 评论(0) 分类 越说越地道英语

Tracing Ones Genealogy Aaron: Do you think you can help me trace my genealogy? Corrie: Sure, I can try. We can get started by talking to your parents and grandparents. Oral interviews will give us some names of your relatives. Aaron: Ive already talk

发表于:2018-12-27 / 阅读(170) / 评论(0) 分类 2015年ESL之日常生活

今天我们要学的词是 trajectory。 Trajectory的意思是轨迹、轨道,President Trump told reporters after his speech at the UN general assembly that he hopes there would be the same trajectory for Iran as the U.S. has had with North Kore

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 英语单词荟萃

As a parent(1), I think a lot about my children's education(2). Is it good or bad? Is it varied, hands-on(3), relevant? The only way to really(4) find out, is to look at their text books, go to their schools, and talk to their teachers. And then, we

发表于:2019-01-01 / 阅读(119) / 评论(0) 分类 英语博客 A cup of English

When a hurricane heads toward the US coastline, all eyes turn to the National Hurricane Center in Miami. Its the official source for information on how powerful a hurricane is, where its heading and when it will hit. Emergency planners depend on the

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 2005年NPR美国国家公共电台

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(306) / 评论(0) 分类 北师大版高中英语模块7(选修)

Black History Illuminated by Tracing Lives of Former Slaves Arlington National Cemetery is just outside Washington, D.C. Before it became America's most prestigious military cemetery, it was a thriving community of slaves and then former slaves. Here

发表于:2019-01-14 / 阅读(132) / 评论(0) 分类 VOA标准英语2013年(二月)

Broadcast on Coast to Coast: October 24, 2002 Re-broadcast on VOA News Now: October 27, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- a tribute to Allen Walker Read, who died this month at the age of 96. Mr. Read devot

发表于:2019-01-25 / 阅读(98) / 评论(0) 分类 词汇大师(Wordmaster)

在一次电击事故中失去四肢的法国42岁男子菲利普?克鲁瓦松日前成功横渡英吉利海峡,用时仅13.5小时,比之前预想的24小时快了很多。克鲁瓦松于当地时间周六早晨8点之前在英国南部的福克斯

发表于:2019-01-30 / 阅读(129) / 评论(0) 分类 阅读空间

Doctors at a hospital in the eastern city of Boston have performed the first full-face transplant(移植) in the United States on a man who lost most of his face in a crippling electrical accident. In a 15-hour surgery performed last week, patient Da

发表于:2019-02-04 / 阅读(158) / 评论(0) 分类 英语新闻

Artist James E. Taylor produced this sketch of the Freedmen's Bureau office in Richmond, Virginia, issuing food rations to old and sick former slaves in 1866 Some Americans can trace their heritage back to what we sometimes call the old country from

发表于:2019-02-06 / 阅读(132) / 评论(0) 分类 VOA标准英语2010年(一月)

现在的女孩子喜欢什么样的礼物?

发表于:2019-02-15 / 阅读(114) / 评论(0) 分类 阅读空间

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(159) / 评论(0) 分类 实用英语

17 What did people once think about lightning? [A] It was a natural phenomenon [B] It was a weapon [C] It came from the God 18What did Benjamin Franklin invent in 1752? [A] The first fishing rod [B] The first lightning rod [C] Lightning 19Which of th

发表于:2019-02-27 / 阅读(206) / 评论(0) 分类 听听测测
学英语单词
11-hydroxycorticosteroids
a pearl necklace
a prior
absolute dynamic modulus
adjacent edge
aens
antepileptics
arsena
aviation gas turbine
Balus
basic atomic group
blind pile
blood lineage
book-learnings
Bundestag
busy bees
Catchwater-drain
chauvignies
connected sequence
containment annulus
cornall
cotton wadded jacket
dark adaptation electroretinogram
depolymerizer
disyoke
Ditetracycline
doctorally
dual type switch board
eclysis
ellin
eumycetomas
file selection regime
flash it away
fpuorophotometer
freight-passenger ship
full size mode
functional circuit
gerstad
gifted-and-talented
go up King Street
halophankton
human demography
idiokinetic
index structure
indium oxybromide
iophobia
keratohyaline body
light beam recording oscillograph
littoralia
lobations
lock lifter
long-tailed weasels
most-active
myristylated
neohistorical school
network switch
nondissipative stub
open universe
outstanding expenses
pale of law
permittee
Pilularia
polar of a gauge function
post-emphasis network
power takeoff shifter ball spring
processomania
pseudomonas eriobotryae(takim)downson
rattlebacks
regional gains and losses
repair of ruptured bladder
residual phase error
resource development
ripple tank
rope burn
saprogen
seal gate valve
self-pushing blocking oscillator
self-selective
semi-mechanical installation
shanita
silentnight
stage hardening
Suaeda paradoxa
Tallering Pk.
Thamihla Kyun
the pommel horse
threw a fit
Thāndla
time of duration of wood
TNH
to educate
trace schedule
tracer experiment
transreal
umbilical fissure
unaligned nations
Valdayskiy Rayon
vertex vesicae urinariae
very important
village-like
water cooled automatic electrode holder
water water energetic reactor